I am a smoker and cough up green phlegm alot through the night. Why is this? I mostly make my own cigarettes and use the pipe tobacco more than regular cigarette tobacco. Could the pipe tobacco cause the phlegm and coughing? I use that because it is cheaper to buy. Best Answer - Chosen by Voters Mixing it both is probably causing this. And it seems as if its clogging your lungs so by coughing its trying to "survive". I would quite smoking all that crap if I were you because its killing your lungs and liver.
How to safely smoke pipe tobacco for any beginner smoker.